Amanohara: Utopia of the spirit of birth

Amane (the main character), a girl who has lost her parents shortly after birth but has grown up healthy by the kind-hearted villagers , seeks a way to save her home village, which is dying due to the famine caused by strange environmental changes. He leaves for the paradise "Amanohara" where the gods live, which is said to exist on the mountaintop and no one has returned yet